Baby bottle



FIG. 1 is an elevational view of the baby bottle in accordance with the new design;

FIG. 2 is a top perspective view of the baby bottle of FIG. 1; and,

FIG. 3 is a bottom perspective view of the baby bottle of FIG. 1.

The broken lines in FIG. 3 illustrate portions of the baby bottle which form no part of the claimed design. 

CLAIM The ornamental design for a baby bottle, as shown and described. 